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|
package main
import (
"encoding/json"
"fmt"
"os"
"github.com/containers/storage"
"github.com/containers/storage/pkg/mflag"
)
var testDeleteImage = false
func deleteThing(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
deleted := make(map[string]string)
for _, what := range args {
err := m.Delete(what)
if err != nil {
deleted[what] = err.Error()
} else {
deleted[what] = ""
}
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(deleted)
} else {
for what, err := range deleted {
if err != "" {
fmt.Fprintf(os.Stderr, "%s: %s\n", what, err)
}
}
}
for _, err := range deleted {
if err != "" {
return 1
}
}
return 0
}
func deleteLayer(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
deleted := make(map[string]string)
for _, what := range args {
err := m.DeleteLayer(what)
if err != nil {
deleted[what] = err.Error()
} else {
deleted[what] = ""
}
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(deleted)
} else {
for what, err := range deleted {
if err != "" {
fmt.Fprintf(os.Stderr, "%s: %s\n", what, err)
}
}
}
for _, err := range deleted {
if err != "" {
return 1
}
}
return 0
}
type deletedImage struct {
DeletedLayers []string `json:"deleted-layers,omitifempty"`
Error string `json:"error,omitifempty"`
}
func deleteImage(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
deleted := make(map[string]deletedImage)
for _, what := range args {
layers, err := m.DeleteImage(what, !testDeleteImage)
errText := ""
if err != nil {
errText = err.Error()
}
deleted[what] = deletedImage{
DeletedLayers: layers,
Error: errText,
}
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(deleted)
} else {
for what, record := range deleted {
if record.Error != "" {
fmt.Fprintf(os.Stderr, "%s: %s\n", what, record.Error)
} else {
for _, layer := range record.DeletedLayers {
fmt.Fprintf(os.Stderr, "%s: %s\n", what, layer)
}
}
}
}
for _, record := range deleted {
if record.Error != "" {
return 1
}
}
return 0
}
func deleteContainer(flags *mflag.FlagSet, action string, m storage.Store, args []string) int {
if len(args) < 1 {
return 1
}
deleted := make(map[string]string)
for _, what := range args {
err := m.DeleteContainer(what)
if err != nil {
deleted[what] = err.Error()
} else {
deleted[what] = ""
}
}
if jsonOutput {
json.NewEncoder(os.Stdout).Encode(deleted)
} else {
for what, err := range deleted {
if err != "" {
fmt.Fprintf(os.Stderr, "%s: %s\n", what, err)
}
}
}
for _, err := range deleted {
if err != "" {
return 1
}
}
return 0
}
func init() {
commands = append(commands, command{
names: []string{"delete"},
optionsHelp: "[LayerOrImageOrContainerNameOrID [...]]",
usage: "Delete a layer or image or container, with no safety checks",
minArgs: 1,
action: deleteThing,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
commands = append(commands, command{
names: []string{"delete-layer", "deletelayer"},
optionsHelp: "[LayerNameOrID [...]]",
usage: "Delete a layer, with safety checks",
minArgs: 1,
action: deleteLayer,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
commands = append(commands, command{
names: []string{"delete-image", "deleteimage"},
optionsHelp: "[ImageNameOrID [...]]",
usage: "Delete an image, with safety checks",
minArgs: 1,
action: deleteImage,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&testDeleteImage, []string{"-test", "t"}, jsonOutput, "Only test removal")
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
commands = append(commands, command{
names: []string{"delete-container", "deletecontainer"},
optionsHelp: "[ContainerNameOrID [...]]",
usage: "Delete a container, with safety checks",
minArgs: 1,
action: deleteContainer,
addFlags: func(flags *mflag.FlagSet, cmd *command) {
flags.BoolVar(&jsonOutput, []string{"-json", "j"}, jsonOutput, "Prefer JSON output")
},
})
}
|
